通过数学建模,评估虫爆发对巴塔哥尼亚湿地的潜在影响
Laura Soledad Serrano1,2, Ana Laura Pietrantuono1, María Fabiana Laguna3
1IFAB (CONICET-INTA), EEA Bariloche, Modesta Victoria 4450 (8400) S.C. de Bariloche, Río Negro, Argentina.
Scientific reports
|January 3, 2025
概括
在巴塔哥尼亚湿地爆发的虫疫情可能会影响粮食资源. 这项研究开发了一个模型来定义Dichroplus elongatus和D. vittigerum的害虫值,帮助保护工作.
科学领域:
- 生态生态学 生态生态学
- 数学生物学 数学生物学
- 昆虫学 昆虫学是一门学科.
背景情况:
- 巴塔哥尼亚草原的湿地是重要的生态系统.
- 草食昆虫的爆发,如Dichroplus elongatus和D. vittigerum虫,可以破坏食物网并造成经济损失.
- 这些虫物种原产于阿根廷,食用湿地植被.
研究的目的:
- 评估虫在巴塔哥尼亚湿地爆发的生态后果.
- 为了确定Dichroplus elongatus和D. vittigerum对植物覆盖和粮食可用性的影响.
- 根据各种情景,为这些虫物种确定害虫值.
主要方法:
- 进行了一项跨学科研究,将实地和实验室实验与数学建模相结合.
- 通过食实验确定了虫的饮食和消费率.
- 开发了一个空间显式的随机基于个体的模型来模拟 impact.
主要成果:
- 虫爆发的影响取决于虫密度和可用的植物生物量.
- 在巴塔哥尼亚湿地对Dichroplus elongatus和D. vittigerum的确定的害虫值.
- 量化了种群和湿地植被之间的关系.
结论:
- 了解虫植被动态对于管理巴塔哥尼亚草原湿地至关重要.
- 开发的模型为早期预警系统和保护战略提供了一个工具.
- 有效的管理需要考虑虫密度和植物生物量.
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